Investigators searching for wreckage from last week’s deadly midair collision between a US military Black Hawk helicopter and an American Airlines plane near Washington, DC, conducted an overnight scan of the Potomac River where the aircraft fell using advanced imaging technology to map the riverbed and locate debris.

The U.S. Army Corps of Engineers says crews have successfully taken all major pieces of wreckage from the D.C. plane crash out of the Potomac River. The announcement came Thursday evening, just a day after the remains of all 67 victims killed in the midair collision were recovered and positively identified,

On Thursday, crews removed all large major components of the American Airlines jet and military Black Hawk helicopter, which collided in a deadly incident near Reagan National Airport last week. “Thanks to the exhaustive efforts of Unified Command personnel,